1.	Find the value of x.
		A.	5	B.	20
		C.	0.8	D.	8
		Hint
	2.	Find the value of y to the nearest tenth.
		A.	8.0	B.	7.2
		C.	7.6	D.	7.5
		Hint
	3.	Find the value of x to the nearest tenth.
		A.	13.2	B.	10.0
		C.	3.7	D.	16.2
		Hint
	4.	In the figure, and are ______.
		A.	secants	B.	secant segments
		C.	tangent segments	D.	external secant segments
		Hint
	5.	Find the value of z.
		A.	9	B.	10
		C.	11	D.	15
		Hint